Firstcall Photographic

Bellini Sodium Bisulphite (Metabisulphite) - 1 kg

Bellini Sodium Bisulphite (Metabisulphite) - 1 kg - Main image
$31.85 $49 In stock

Category: Film & Film Processing Raw Chemicals

亞硫酸氫鈉(偏亞硫酸氫鈉)是一種顯影劑保存劑和緩衝劑、停顯浴和定影劑酸化劑,以及用於去除某些污漬的澄清浴成分。由於其酸性,它也用作許多雙液顯影劑(PMK、Pyrocat-HD、Rollo Pyro 等)的保存劑。


亞硫酸氫鈉是亞硫酸氫鈉 NaHSO3 的舊稱,且不以固體形式存在。


分子式為:NaHSO3。

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Customer Reviews (5.0 / 5 · 5 reviews)

Scarlett ★★★★★

Finally a chemical supplier that doesn’t treat photographers like second-class citizens. The 1kg bag is a generous size for the price, and it’s already saved me twice as a clearing bath for stubborn silver stains that my usual fixer wouldn’t touch.

Miles M. ★★★★★

This arrived quickly and the 1 kg bag is plenty for mixing up stop bath and clearing baths. The fine powder dissolves easily in water with no clumping, which makes it simple to use in my darkroom setup.

Lily T. ★★★★★

Cleared a stubborn stain from a vintage print that nothing else would touch. The 1 kg bag gives me plenty of buffer for my stop bath, and it dissolves quickly without clumping.